49
18.2.5 Removing the fan
1.
Carry out step
18.1.1
;
2.
Remove the air gas manifiold as
in
18.2.1
(Fig. 69)
;
3.
Unscrew the two screws on the
venturi
J
and remove with the
gas valve (Fig. 70);
4.
Unscrew the three screws
K
on
the air/gas pipe and remove
(Fig. 71);
5.
Reassemble in reverse order.
18.2.6 Removing the gas valve
1.
Carry out step
18.1.1
;
2.
Remove the air gas manifiold as
in
18.2.1
(Fig. 72)
;
3.
Unscrew the three screws
K
on
the air/gas pipe and remove
(Fig. 73);
4.
Unscrew the three screws
L
holding the gas valve on the
venturi (Fig. 74);
5.
Remove the gas valve from the
venturi. (Fig. 75)
;
6.
Reassemble in reverse order;
7.
The CO
2
settings will need to be
checked and if necessary
adjusted (see Section 14.3 page
30);
8.
Test for tightness on reassembly
Fig. 69
Fig. 70
Fig. 71
Fig. 72
Fig. 73
Fig. 74
Fig. 75
J
K
L
L
Summary of Contents for Minima HE System 24 Nat
Page 19: ...19 1 2 A A Fig 14 Fig 16 Fig 13 11 Installing the Boiler continued Fig 15 P P ...
Page 22: ...22 Fig 21 Fig 22 Fig 23 ...
Page 31: ...31 WIRING DIAGRAM FOR CONNECTION TO AN OPEN VENTED CYLINDER DIAGRAM B ...
Page 32: ...32 WIRING DIAGRAM FOR CONNECTION TO AN MTS UNVENTED CYLINDER DIAGRAM A ...
Page 61: ...61 24 Benchmark Commissioning Checklist ...
Page 62: ...62 25 Service Interval Record ...
Page 63: ...63 ...
